BACKFLOW CHAPTER 6 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT RATED A+ ||UPDATED 2025

BACKFLOW CHAPTER 6 QUESTIONS
AND ANSWERS WITH COMPLETE
SOLUTIONS 100% CORRECT RATED A+
||UPDATED 2025

1. What are the terms used to describe a test on a check valve?
 Answer: Backpressure, direction of flow, and differential pressure


2. In Test #3 on the RP, how do you test check valve #2?
 Answer: Backpressure


3. What type of test do you use on check valve #2 in a DCVA (Double Check
Valve Assembly)?
 Answer: Direction of flow


4. What type of test do you use on the check valve in a PVB (Pressure Vacuum
Breaker)?
 Answer: Direction of flow


5. What type of test do you use on check valve #1 in an RP (Reduced Pressure
Assembly)?
 Answer: Differential pressure


6. Where is test cock #1 located on the RP?
 Answer: On the supply side of the inlet shut-off valve, between the inlet
shut-off valve and check valve #1